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DR. JOSEPH I WOLFSDORF MB, BCH
NPI 1649357492
Pediatrics - Pediatric Endocrinology in Boston, MA

Active since November 01, 2006PECOS EnrolledAccepts Medicare Assignment
333 LONGWOOD AVE, FLOOR 6, BOSTON, MA 02115(617) 355-7477(617) 730-0194 Get Directions Write a Review

NPPES record last updated: July 9, 2010. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Dr. Joseph I Wolfsdorf Mb, Bch NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. JOSEPH I WOLFSDORF MB, BCH (NPI 1649357492) is an individual pediatric endocrinology provider in Boston, Massachusetts, licensed in Massachusetts (40744) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS, is affiliated with Boston Children's Hospital, and is a graduate of Other (1969).

NPPES Registry Identity

NPI1649357492
Entity TypeIndividualMale
Primary Taxonomy2080P0205X
Provider Legal NameDR. JOSEPH I WOLFSDORFCredential: MB, BCH
Location Address333 LONGWOOD AVE, FLOOR 6Boston, MA 02115-5711
Mailing Address300 Longwood AveBoston, MA 02115-5724 · (617) 355-7476 · Fax (617) 730-0194
Phone(617) 355-7477
Fax(617) 730-0194
Sole ProprietorNo
Medical School CMSOtherGraduated 1969
Enumeration DateNovember 1, 2006
Last NPPES UpdateJuly 9, 2010
✔ NPI 1649357492 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Pediatric EndocrinologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0205X
License✔ Licensed in MA · 40744
Definition
A pediatrician who provides expert care to infants, children and adolescents who have diseases that result from an abnormality in the endocrine glands (glands which secrete hormones). These diseases include diabetes mellitus, growth failure, unusual size for age, early or late pubertal development, birth defects, the genital region and disorders of the thyroid, the adrenal and pituitary glands.
Also ListedPediatricsTaxonomy 208000000X · License 40744 (MA)
333 LONGWOOD AVE, Boston, MA 02115
Open in Google Maps ↗

Other Identifiers 3

Medicaid2082180MA
Medicare UPIND82818
Medicare ID-Type UnspecifiedE05103

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Joseph I Wolfsdorf Mb, Bch is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3971578121
PECOS Enrollment IDI20040831000822
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Joseph Wolfsdorf reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Children's Hospital Pediatric Associates, Inc
0.1 mi
Pediatrics
300 LONGWOOD AVE
Boston, MA 02115
  • Reassigned Medicare billing, Massachusetts enrollment
  • 1,358 clinicians in this Medicare group
NPI 1457306664 (617) 355-6000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Boston Children's Hospital

Childrens · Boston, MA
OwnershipVoluntary non-profit - Private
CMS Certification Number223302
Location300 Longwood AvenueBoston, MA 02115 · Suffolk County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02115 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$144.11 typical visit price
range $63.72 – $189.86
Typical copayment $36.02 (range $15.93 – $47.46)
Most-billed visit code 99204
Established Patient
$111.18 typical visit price
range $21.07 – $155.29
Typical copayment $27.79 (range $5.26 – $38.82)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

KERRY MCGREGOR PSY.D.
Psychologist (Clinical Child & Adolescent)
333 LONGWOOD AVE
BOSTON, MA 02115
Suffolk County (757) 376-9801
LEANNA SHEA RD
Dietitian, Registered
333 LONGWOOD AVE
BOSTON, MA 02115
Suffolk County (617) 355-4677
JUNE OKADA MS
Speech-Language Pathologist
333 LONGWOOD AVE
BOSTON, MA 02115
Suffolk County (617) 354-1523
GRETA MARY SMITH
Dietitian, Registered (Nutrition, Pediatric)
333 LONGWOOD AVE
BOSTON, MA 02115
Suffolk County (617) 355-7181
JACQUELINE MIRANDA LICSW
Social Worker (Clinical)
333 LONGWOOD AVE, FLOOR 6
BOSTON, MA 02115
Suffolk County (617) 355-5250
MERRILL WEITZEL MD
Obstetrics & Gynecology
333 LONGWOOD AVE, 5TH FLOOR CHILDRENS HOSPITAL PEDI GYN
BOSTON, MA 02115
Suffolk County (617) 355-7648
ELSEY WEISBERG
Dietitian, Registered
333 LONGWOOD AVE
BOSTON, MA 02115
Suffolk County (508) 423-5001
MARTA RAMON KRAUEL MD
Pediatrics (Pediatric Endocrinology)
333 LONGWOOD AVE, ENDOCRINE DIVISION 6TH FLOOR
BOSTON, MA 02115
Suffolk County (617) 355-6000

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Joseph Wolfsdorf's NPI number?

The NPI number for Joseph Wolfsdorf is 1649357492. It was assigned to this individual provider in the NPPES registry on November 1, 2006.

Where is Joseph Wolfsdorf located?

Joseph Wolfsdorf practices at 333 Longwood Ave Floor 6, Boston, MA 02115. The listed phone number is (617) 355-7477.

What is Joseph Wolfsdorf's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Endocrinology, with taxonomy code 2080P0205X.

Is Joseph Wolfsdorf enrolled in Medicare?

Yes. Joseph Wolfsdorf is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Joseph Wolfsdorf's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Joseph Wolfsdorf reassigns Medicare benefits to Children's Hospital Pediatric Associates, Inc (Boston, MA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Joseph Wolfsdorf's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Joseph Wolfsdorf affiliated with any hospitals?

According to CMS data, Joseph Wolfsdorf is affiliated with Boston Children's Hospital.

When was this NPI record last updated?

The NPPES record for Joseph Wolfsdorf was last updated on July 9, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.